package com.itheima.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * @author Administrator
 * @date 2023/5/17 14:29
 */

/**
 * 全局异常处理
 */
@ControllerAdvice(annotations ={RestController.class, Controller.class} )
@Slf4j
@ResponseBody
public class GlobalExceptionHandler {
    /**
     * 异常处理方式
     * @param ex
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String>exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String[] s = ex.getMessage().split(" ");
            String msg = s[2] + "已经存在!!!!!";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    /**
     * 异常处理方式
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String>CustomException(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
